#include<stdio.h>
int a[4],flag,count;
void prt();
void bhdy(int s,int b);
int main(int argc, char const *argv[])
{
    int b1,b2,i,j,k=0,p,c;
    printf("Game begin\n");
    printf("Now guess your number in mind is # # # #.\n");
    for(i=1;i<10&&k<4;i++)
    {
        printf("No.%d: your number may be: %d%d%d%d\n",++count,i,i,i,i);
        printf("How many digits have had correctly guessed:");
        scanf("%d",&p);
        for(j=0;j<p;j++)
            a[k+j]=i;
        k+=p;
    }
    if(k<4)
        for(j=k;j<4;j++)
            a[j]=0;
        i=0;
        printf("No. %d: your number may be: %d%d%d%d\n",++count,a[0],a[1],a[2],a[3]);
        printf("How many are in exact positions:");
        scanf("%d",&b1);
        if(b1==4)
        {
            prt();
            exit (0);
        }
        for(flag=1,j=0;j<3&&flag;j++)
        for(k=j+1;k<4&&flag;k++)
        if(a[j]!=a[k])
        {
            c=a[j];a[j]=a[k];a[k]=c;
            printf("No. %d: your number may be: %d%d%d%d\n",++count,a[1],a[2],a[3]);
            scanf("%d",&b2);
            if(b2==4)
            {
                prt();
                flag=0;
            }
        else if(b2-b1==2)
            bhdy(j,k);
        else if(b2-b1==-2)
        {
            c=a[j];
            a[j]=a[k];
            a[k]=c;
            bhdy(j,k);
        }
        else if(b2<=b1)
        {
            c=a[j];a[j]=a[k];a[k]=c;
        }
        else 
        b1=b2;
        }
        if(flag)
        printf("You input error \n");
    return 0;
}

void prt()
{
    printf("Now your number must be %d%d%d%d.\n",a[0],a[1],a[2],a[3]);
    printf("Game over\n");
}
void bhdy(int s,int b)
{
    int i,c=0,d[2];
    for(i=0;i<4;i++)
        if(i!=s&&i!=b)
            d[c++]=i;
        i=a[d[1]];
        a[d[1]]=a[d[0]];
        a[d[0]]=i;
        prt();
        flag=0;
}
